private boolean addTransitionListener()

in ActivitySceneTransitionBasic/app/src/main/java/com/example/android/activityscenetransitionbasic/DetailActivity.java [119:160]

27 lines of code
2 McCabe index (conditional complexity)


    private boolean addTransitionListener() {
        final Transition transition = getWindow().getSharedElementEnterTransition();

        if (transition != null) {
            // There is an entering shared element transition so add a listener to it
            transition.addListener(new Transition.TransitionListener() {
                @Override
                public void onTransitionEnd(Transition transition) {
                    // As the transition has ended, we can now load the full-size image
                    loadFullSizeImage();

                    // Make sure we remove ourselves as a listener
                    transition.removeListener(this);
                }

                @Override
                public void onTransitionStart(Transition transition) {
                    // No-op
                }

                @Override
                public void onTransitionCancel(Transition transition) {
                    // Make sure we remove ourselves as a listener
                    transition.removeListener(this);
                }

                @Override
                public void onTransitionPause(Transition transition) {
                    // No-op
                }

                @Override
                public void onTransitionResume(Transition transition) {
                    // No-op
                }
            });
            return true;
        }

        // If we reach here then we have not added a listener
        return false;
    }